Live Well Vitamins & Lifestyle Guide
This content is selected and controlled by WebMD's editorial staff and is funded by GNC.
Top Vitamins & Supplements
A Guide for Health-Minded People
From vitamin A through zinc, discover the health benefits of key vitamins and supplements. Find out how they work. Get critical information about safety and side effects.
Supplements

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Vitamins & Supplements Glossary
- Amino Acids. The building blocks that make up proteins…
- Botanicals. Substances obtained from plants and used in food supplements…
- Fat-Soluble. Vitamins that are stored in the liver and body fat…
- Micronutrients. Vitamins and minerals that your body needs in small amounts…
- Phytochemicals. Healthful compounds found in fruits, vegetables, and other plants…
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